Improvement in chimneys



W. G. REED.

House Chimney.

Patemed April 20, 1869.,

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"ti i tlnil t ini en WILLIAM G. REED,.OF CHELSEA, MASSACHUSETTS. team Pm: No. 89,075, ama April 20,1869.

'nie seheauie mama w in meee neam parent ana making 'pan of :ne .me

To all whom z't may concem: i

Be it known that I, WILLIAM G. Runi), of Chelsea,

' in the eounty of Sufolk, and State of Massach'usetts,

have invented a Ohimney-Building Block, of which the following is a full, clear, and exact description, referenoe being had to the accompanying drawings, makingpart of this specification, in which- Figure 1 is a perspective view of .one of my blocks, provided with smoke and ventilating-flues.

Figure 2 is a vertical section through the centre of the same.

Figure 3 is a horizontal section on the line x a: of

A represents a block of fire-clay, cast-iron, or other f suit-able material, of octagonal form in cross-section,

the plane of the upper surface `of which is accurately formed at right angles to that of each of the sidcs.

B is a central cylindrical tube, or pipe, which serves as a flue for condueting the smoke, the., from the fire,

up out of the building.

'Upon the lower end of this smoke-flue is cast a circular lip, Qr projection, a, which snugly fits into a circular groove, or depression made in the block next below it, this circular groove being similar to that, I), in the top of the portion of the smoke-fine in the block A.

Surrounding this smoke-flue is a series of spaoes, or chambers, which form portions of ventilating-flucs vC, separated by'ribs, or partitions o o, the said ventilatingflues preventing the radiation of the heat of the smoke-fine to the exterior shell, or casing` d of the "block, and thereby precluding the possibility/of the hurning of the wood-work around it..

D is an opening through oneof the ventilating-flues, and communicating with the' interior' of the central smoke`-flue,.a suitable thimble, d, being snugly fitted into this opening, for the reception of the end of the smoke-pipe, passing through the plastering, and leading to the fire-place in one of the rooms.

E is an opening, similar to D, for the reception of a thimble, c, which commuuioates with one of the ventilating-flues, G. Into this thimble e is snugly fitted one end of a pipe,.which passes through the plasten'ng, and lcads to the upper or lower part of the 'room to be ventilated.

` Instead of openings 1) E for the'reception of the thimbles d e, passages may be formed by casting them in the same piece as the block, in a manner similar to block,

the construction of the central smoke-fine, the outer end of the smoke-pipe passage being grooved out like the top of the smoke-fine, for the reception of a short pipe, with or without a shoulder, as shown in figs. 4 and 5.

' Thematerial of which the smoke-pipe is composed should be elay, or other suitable non-conductive matcrial, as it will not rust or be destroyed by heat, but, for the ventilating-pipes,tin or Sheet-iron will answer.

,Any number ofventilating-ilues may be forrned, and several of these blocks, slightly modified in their construction, may be united, and coustitute a chimneystack.

When 'made of cast-iron, these blocks may be secured together by bolts, or otherwise, but, when-made 'of clay, &c., they may be placed onev upon another, with or without the use of mortar or cemeut; but I prefer to lute the joint, or connection b'etweeu the cir-. cular lip, or projection a and groove, or depression b, in order to aiford additional security against fire.-

A chimney may be constructed of the blocks above referred to at au expense not exceeding that of an orform and smoothness of the interior of the lsmoke-flue,

prevented from lodging thereon-,while the common brick chimney, of a rectangular cross-section, presents angles, into which the cool air presses downward against the column of aseending heatedair, and partially impedes the by accumulating thereon, still further obstructs the draught of the smoke upward, 'and a necessity aris'es of cleaning out the chimney, which my improved smokefiue avoids. f

By making the ventilating-flues\outside the smokeflue, I' am enabled to economize valuable space in each of the rooms, and I am enabled to use a less quantity of material in the outer shell, and, at the same time, insure against the oecur-renee of fire, oftentimes liable to oecur when wood-work is in contact with the brick chimney, or where the joints between the bricksare not tightly closed with mortar.

The number and position of the ventilating-flu'es may be varied to suit the requirelnents of the case, and the smoke-pipe may pass through one of the ribs,

ventilating-pipe may enter the same ventilating-flue either above or below the smoke-pipe, passing through it if desired; but I prefer to carry the smoke-pipe through a different ventilating.-flue,'or to carry lt through ono of the ribs, or partitions.

`a smoke-flue for ventilating-purposes, the opening for the ventilatn'ng-flue seriously interteres with the'efiicacy of the smoke-flue, and checks the draught of the dinary brick chimney, while, owing to the cylindrical the draught is much better,'and the soot is elfectually progress of the smoke in its escape from the building. The spreadingof the mortar used in laying the brick roughens the inner surface of the flue, and the soot,

or partitions c c, into the smoke-fine, thereby avoiding the contraction of one of the ventllatlng-fiues, and a- In the ordinary construction, should we' wish to use I Stove, and more or less smoke is liable to issue through tion, ol as-to he laid in 'a directon inclined thereto, and

- the ventilatng-flue into the room; but, by the emloybe supported 'by suitable framework, without departing .taiu one or more ventilating-fiues Superior in eflicacy I expense than those built iudepeuden'tly of` a smoke- 'direotiom or they may be slightly modified in construcment of my improved b1ook,-I am enabled, in addition from the-spirit'ofmy invention.

to the advanta-ges pos'sessed by the smoke-flue, to ob-. o, alat-,m

' 'A chimuey-'building block, provided with smoke and flue in the ordinary \va-y the heat from the smoke-pipe being radiated into the :lentilating-flues, and creating fius' substantlauy and for the Purpose WM. G. BEED.

a'cor stant upward draught, oi' current of air through the ventilating-fiuzs.

My mproved bloeks may be built up in a vertie'ai Wlmesses:

N. W. STEABNS, L. E. Bn'ommn.

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